From: Marek Smetana <mara.smetana@gmail.com>
To: cygwin-patches@cygwin.com
Subject: Re: fhandler_serial.cc: MARK and SPACE parity for serial port
Date: Mon, 1 Feb 2021 22:26:28 +0100 [thread overview]
Message-ID: <ff9e2845-7a5c-945c-f742-a79d65ab5909@gmail.com> (raw)
In-Reply-To: <20210201094009.GD375565@calimero.vinschen.de>
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I'm Sorry, this is my first patch using the mailing list.
Best regards
Marek
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From be77a27bd40da56064f12a72c18d434ddb6403dc Mon Sep 17 00:00:00 2001
From: Marek Smetana <mara.smetana@gmail.com>
Date: Mon, 1 Feb 2021 22:02:14 +0100
Subject: [PATCH] fhandler_serial.cc: MARK and SPACE parity for serial port
---
winsup/cygwin/fhandler_serial.cc | 11 ++++++++++-
winsup/cygwin/include/sys/termios.h | 1 +
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/fhandler_serial.cc b/winsup/cygwin/fhandler_serial.cc
index fd5b45899..e0257302c 100644
--- a/winsup/cygwin/fhandler_serial.cc
+++ b/winsup/cygwin/fhandler_serial.cc
@@ -727,7 +727,12 @@ fhandler_serial::tcsetattr (int action, const struct termios *t)
/* -------------- Set parity ------------------ */
if (t->c_cflag & PARENB)
- state.Parity = (t->c_cflag & PARODD) ? ODDPARITY : EVENPARITY;
+ {
+ if(t->c_cflag & CMSPAR)
+ state.Parity = (t->c_cflag & PARODD) ? MARKPARITY : SPACEPARITY;
+ else
+ state.Parity = (t->c_cflag & PARODD) ? ODDPARITY : EVENPARITY;
+ }
else
state.Parity = NOPARITY;
@@ -1068,6 +1073,10 @@ fhandler_serial::tcgetattr (struct termios *t)
t->c_cflag |= (PARENB | PARODD);
if (state.Parity == EVENPARITY)
t->c_cflag |= PARENB;
+ if (state.Parity == MARKPARITY)
+ t->c_cflag |= (PARENB | PARODD | CMSPAR);
+ if (state.Parity == SPACEPARITY)
+ t->c_cflag |= (PARENB | CMSPAR);
/* -------------- Parity errors ------------------ */
diff --git a/winsup/cygwin/include/sys/termios.h b/winsup/cygwin/include/sys/termios.h
index 17e8d83a3..e4465fca3 100644
--- a/winsup/cygwin/include/sys/termios.h
+++ b/winsup/cygwin/include/sys/termios.h
@@ -206,6 +206,7 @@ POSIX commands */
#define CRTSXOFF 0x04000
#define CRTSCTS 0x08000
+#define CMSPAR 0x40000000 /* Mark or space (stick) parity. */
/* lflag bits */
#define ISIG 0x0001
--
2.30.0
next prev parent reply other threads:[~2021-02-01 21:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-27 20:30 Marek Smetana
2021-01-28 10:08 ` Corinna Vinschen
2021-01-28 10:14 ` Corinna Vinschen
2021-01-28 17:17 ` Brian Inglis
2021-01-28 18:45 ` Brian Inglis
2021-01-29 22:06 ` Marek Smetana
2021-02-01 9:40 ` Corinna Vinschen
2021-02-01 21:26 ` Marek Smetana [this message]
2021-02-02 5:28 ` Brian Inglis
2021-02-02 9:44 ` Corinna Vinschen
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